package day06;
import java.util.Scanner;
public class ArrayDemo {
    public static void main(String[] args) {
        //6.数组的复制：
        int[] a = {10,20,30,40,50};
        int[] b = new int[6];//0,0,0,0,0,0

        //a:原数组
        //1:源数组的起始下标
        //b:目标数组
        //0:目标数组的下标
        //4:要复制的元素个数

        System.arraycopy(a,1,b,0,4);

        for (int i=0;i<b.length;i++){
            System.out.println(b[i]);
        }
        // 数组的扩容：

    }
}
